abbrechen

to break off (remove by breaking) [auxiliary haben]

"Der Sturm brach die Spitzen und Äste vieler Bäume ab."

to be broken off [auxiliary sein]

"Der Tassengriff bricht ab."

to terminate, to end, to stop (especially suddenly or unexpectedly) [auxiliary haben]

"Der Athlet musste das Training wegen einer Verletzung abbrechen."

to pull down (demolish) [auxiliary haben]

"die Brücken hinter sich abbrechen"